and for a time in their marriage, katie holms embraced those beliefs. but it does seem to be that she has moved away from them. >> reporter: tom cruise is the most famous and outspoken member of the church of scientology, a faith founded 60 years ago by science fiction writer l. ron hubbard. the church, which says that through counseling sessions called audits, it can heal people of past traumas, has been embroiled in repeated controversies. including this astonishing on camera rant with a reporter clashing with a church spokesman. and this exclusive exit by that same spokesman during an interview on "nightline." holmes and cruise got married in a lavish scientology ceremony in italy in 2006. but sources tell abc news that holmes has had a change of heart, particularly as it pertains to her daughter suri, who she feared would be pulled deeply into the faith. >> she knew what she was getting into. he didn't hide his faith. they got married in a scientology ceremony. if it's all true that scientology is one of the reasons she wants to leave, that's a pret